Table 5 Observed results under different input conditions.
Run | R% | L (N) | V (m/s) | D (m) | Wear (grams) | COF | Run | R% | L (N) | V (m/s) | D (m) | Wear (grams) | COF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2.5 | 10 | 0.83 | 600 | 0.0371 | 0.268 | 41 | 5 | 20 | 1.25 | 900 | 0.097 | 0.201 |
2 | 5 | 10 | 0.83 | 600 | 0.0361 | 0.268 | 42 | 7.5 | 20 | 1.25 | 900 | 0.052 | 0.166 |
3 | 7.5 | 10 | 0.83 | 600 | 0.029 | 0.229 | 43 | 2.5 | 30 | 1.25 | 900 | 0.217 | 0.209 |
4 | 2.5 | 20 | 0.83 | 600 | 0.0811 | 0.212 | 44 | 5 | 30 | 1.25 | 900 | 0.14 | 0.194 |
5 | 5 | 20 | 0.83 | 600 | 0.061 | 0.201 | 45 | 7.5 | 30 | 1.25 | 900 | 0.064 | 0.167 |
6 | 7.5 | 20 | 0.83 | 600 | 0.042 | 0.167 | 46 | 2.5 | 10 | 1.67 | 900 | 0.092 | 0.266 |
7 | 2.5 | 30 | 0.83 | 600 | 0.115 | 0.206 | 47 | 5 | 10 | 1.67 | 900 | 0.063 | 0.263 |
8 | 5 | 30 | 0.83 | 600 | 0.075 | 0.196 | 48 | 7.5 | 10 | 1.67 | 900 | 0.046 | 0.224 |
9 | 7.5 | 30 | 0.83 | 600 | 0.046 | 0.163 | 49 | 2.5 | 20 | 1.67 | 900 | 0.177 | 0.214 |
10 | 2.5 | 10 | 1.25 | 600 | 0.055 | 0.266 | 50 | 5 | 20 | 1.67 | 900 | 0.115 | 0.201 |
11 | 5 | 10 | 1.25 | 600 | 0.051 | 0.263 | 51 | 7.5 | 20 | 1.67 | 900 | 0.061 | 0.166 |
12 | 7.5 | 10 | 1.25 | 600 | 0.046 | 0.224 | 52 | 2.5 | 30 | 1.67 | 900 | 0.275 | 0.209 |
13 | 2.5 | 20 | 1.25 | 600 | 0.115 | 0.21 | 53 | 5 | 30 | 1.67 | 900 | 0.18 | 0.196 |
14 | 5 | 20 | 1.25 | 600 | 0.082 | 0.199 | 54 | 7.5 | 30 | 1.67 | 900 | 0.095 | 0.163 |
15 | 7.5 | 20 | 1.25 | 600 | 0.047 | 0.163 | 55 | 2.5 | 10 | 0.83 | 1200 | 0.052 | 0.278 |
16 | 2.5 | 30 | 1.25 | 600 | 0.178 | 0.206 | 56 | 5 | 10 | 0.83 | 1200 | 0.047 | 0.274 |
17 | 5 | 30 | 1.25 | 600 | 0.113 | 0.193 | 57 | 7.5 | 10 | 0.83 | 1200 | 0.041 | 0.234 |
18 | 7.5 | 30 | 1.25 | 600 | 0.048 | 0.161 | 58 | 2.5 | 20 | 0.83 | 1200 | 0.105 | 0.216 |
19 | 2.5 | 10 | 1.67 | 600 | 0.072 | 0.262 | 59 | 5 | 20 | 0.83 | 1200 | 0.08 | 0.206 |
20 | 5 | 10 | 1.67 | 600 | 0.054 | 0.26 | 60 | 7.5 | 20 | 0.83 | 1200 | 0.043 | 0.18 |
21 | 7.5 | 10 | 1.67 | 600 | 0.046 | 0.22 | 61 | 2.5 | 30 | 0.83 | 1200 | 0.185 | 0.214 |
22 | 2.5 | 20 | 1.67 | 600 | 0.146 | 0.208 | 62 | 5 | 30 | 0.83 | 1200 | 0.125 | 0.202 |
23 | 5 | 20 | 1.67 | 600 | 0.1001 | 0.196 | 63 | 7.5 | 30 | 0.83 | 1200 | 0.047 | 0.171 |
24 | 7.5 | 20 | 1.67 | 600 | 0.0511 | 0.161 | 64 | 2.5 | 10 | 1.25 | 1200 | 0.083 | 0.274 |
25 | 2.5 | 30 | 1.67 | 600 | 0.235 | 0.205 | 65 | 5 | 10 | 1.25 | 1200 | 0.058 | 0.266 |
26 | 5 | 30 | 1.67 | 600 | 0.147 | 0.19 | 66 | 7.5 | 10 | 1.25 | 1200 | 0.047 | 0.232 |
27 | 7.5 | 30 | 1.67 | 600 | 0.066 | 0.158 | 67 | 2.5 | 20 | 1.25 | 1200 | 0.165 | 0.214 |
28 | 2.5 | 10 | 0.83 | 900 | 0.0442 | 0.268 | 68 | 5 | 20 | 1.25 | 1200 | 0.105 | 0.206 |
29 | 5 | 10 | 0.83 | 900 | 0.045 | 0.27 | 69 | 7.5 | 20 | 1.25 | 1200 | 0.056 | 0.173 |
30 | 7.5 | 10 | 0.83 | 900 | 0.04 | 0.232 | 70 | 2.5 | 30 | 1.25 | 1200 | 0.255 | 0.214 |
31 | 2.5 | 20 | 0.83 | 900 | 0.1 | 0.213 | 71 | 5 | 30 | 1.25 | 1200 | 0.165 | 0.197 |
32 | 5 | 20 | 0.83 | 900 | 0.071 | 0.204 | 72 | 7.5 | 30 | 1.25 | 1200 | 0.081 | 0.172 |
33 | 7.5 | 20 | 0.83 | 900 | 0.042 | 0.176 | 73 | 2.5 | 10 | 1.67 | 1200 | 0.111 | 0.271 |
34 | 2.5 | 30 | 0.83 | 900 | 0.157 | 0.208 | 74 | 5 | 10 | 1.67 | 1200 | 0.065 | 0.265 |
35 | 5 | 30 | 0.83 | 900 | 0.097 | 0.199 | 75 | 7.5 | 10 | 1.67 | 1200 | 0.047 | 0.228 |
36 | 7.5 | 30 | 0.83 | 900 | 0.046 | 0.166 | 76 | 2.5 | 20 | 1.67 | 1200 | 0.215 | 0.217 |
37 | 2.5 | 10 | 1.25 | 900 | 0.07 | 0.268 | 77 | 5 | 20 | 1.67 | 1200 | 0.145 | 0.207 |
38 | 5 | 10 | 1.25 | 900 | 0.054 | 0.265 | 78 | 7.5 | 20 | 1.67 | 1200 | 0.072 | 0.173 |
39 | 7.5 | 10 | 1.25 | 900 | 0.046 | 0.227 | 79 | 2.5 | 30 | 1.67 | 1200 | 0.315 | 0.217 |
40 | 2.5 | 20 | 1.25 | 900 | 0.141 | 0.211 | 80 | 5 | 30 | 1.67 | 1200 | 0.21 | 0.206 |
81 | 7.5 | 30 | 1.67 | 1200 | 0.111 | 0.167 |